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-rw-r--r--src/include/storage/proc.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/include/storage/proc.h b/src/include/storage/proc.h
index be67d8a8616..cfabfdbedf1 100644
--- a/src/include/storage/proc.h
+++ b/src/include/storage/proc.h
@@ -66,6 +66,13 @@ struct XidCache
(PROC_IN_VACUUM | PROC_IN_SAFE_IC | PROC_VACUUM_FOR_WRAPAROUND)
/*
+ * Flags that are valid to copy from another proc, the parallel leader
+ * process in practice. Currently, flags that are set during parallel
+ * vacuum and parallel index creation are allowed.
+ */
+#define PROC_COPYABLE_FLAGS (PROC_IN_VACUUM | PROC_IN_SAFE_IC)
+
+/*
* We allow a small number of "weak" relation locks (AccessShareLock,
* RowShareLock, RowExclusiveLock) to be recorded in the PGPROC structure
* rather than the main lock table. This eases contention on the lock